Weegy: When the sample size increases, the chances of getting an error (margin of error) in a percentage or mean becomes smaller. [ This means that the statistical results are more accurate and precise with less chances of having differences that are just caused by chances. Hence, the larger the sample is, the more acceptable and statistically sound the results of the research are.
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Weegy: In the graphical method of solving linear programming problems if there is a unique optimal solution, then the optimal solution-is a feasible solution that results in the largest possible objective function value. [
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Weegy: The covariance of random variable with itself is is always 1.
The correlation of a variable with itself is always 1 (except in the degenerate case where the two variances are zero, [ in which case the correlation does not exist).
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Weegy: The efficiency of OTC products is checked by: Manufacturers only. [ ]
it was priority by the manufacturer and the distributor to check what necessary supply in need by the retailers and the consumers (More)